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Rectangular black laptop battery with label showing 14.8V 70Wh

PISKEKAT

PISKEKAT C42-UX51 laptop battery 14.8V 70Wh

SKU CH-2XKW-D4T0Q

A 14.8V 70Wh lithium-ion replacement battery rated for up to 500 recharge cycles, compatible with Asus UX51, UX51VZ and U500VZ series laptops

  • Battery typeLaptop Batteries
  • Li-ion chemistry delivers reliable power at 14.8V
  • 70Wh capacity supports extended work sessions away from mains
  • Direct replacement for Asus part number C42-UX51
  • Fits Asus UX51, UX51VZ and U500VZ series Zenbook models
  • Rated for up to 500 recharge cycles over battery life

Compatible Zenbook battery

The PISKEKAT C42-UX51 is a 14.8V 70Wh lithium-ion replacement battery built for Asus UX51, UX51VZ and U500VZ series Zenbooks. It arrives new from the manufacturer with an initial charge ready for the first calibration cycle.

500-cycle service life

The cell chemistry is rated for up to 500 recharge cycles over its usable lifespan. Avoiding full discharges and long storage periods without use helps preserve capacity across those cycles.

70Wh capacity match

This unit delivers 70Wh at 14.8V, matching the original C42-UX51 part number for the listed models. Buyers needing a different watt-hour rating or voltage should verify their laptop's exact requirement before ordering.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $65.99
Pricier than about 90% of the 27,790 comparable items (median $30.99).

Specifications

Power
Battery typeLaptop Batteries

Questions about this item

Does the C42-UX51 fit my Asus UX51VZ or U500VZ Zenbook?

The C42-UX51 replaces the original part and is listed for Asus UX51, UX51VZ and U500VZ series laptops.

What runtime can I expect from the 70 Wh rating in daily use?

The 70 Wh capacity at 14.8 V stores roughly 39 Wh more than a typical 42 Wh pack, giving proportionally longer unplugged time.

How many charge cycles will the lithium-ion cells sustain?

The manufacturer rates the battery for up to 500 full recharge cycles over its service life.

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